This article argues that new media technologies are likely to elicit changes in the content, tone, and potential electoral impact of those campaign messages micro-targeted through them, with a resulting increase in the level of unaccountable, deceptive, pseudonymous campaigning. Access to data-mined information will increase the likelihood that the candidate with the larger war-chest will gain an advantage by changing the composition of the electorate. In a world of micro-targeted messaging, reporters have greater difficulty holding sponsors accountable and policing deception.